Mathematics, 21.04.2021 01:00 whatnowb
A paint manufacturer wishes to compare the drying times of two different types of paint. Independent random samples of 11 cans of type A and 9 cans of type B were selected and applied to similar surfaces. The drying times (in hours) were recorded. The summary statistics are as follows. Type A Type B _ Sample mean 77.3 hrs 63.7 hrs Sample SD 4.5 hrs 5.1 hrs Sample size 11 9 The manufacturer then uses this data to test the claim that the mean drying time for type A differs from the mean drying time for type B. A 1% significance level is used. Assume that the population variances are not equal. What is the p-value for the test
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A paint manufacturer wishes to compare the drying times of two different types of paint. Independent...
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